News & Insights
Dasha Chestukhin to Speak on Fashion Law Panels at NYU and Rutgers
Patent Law Alert -- USPTO Requires Foreign‑Domiciled Patent Applicants and Patent Owners to Be Represented by Registered U.S. Patent Counsel
In Memoriam – J. Christopher Jensen
Cowan, Liebowitz & Latman is Hosting a CLE About Recent Copyright Developments for In-House Counsel
On My Mind Blog

Case Studies
We succesfully represented our client, Major League Baseball Partners, Inc.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We established that cigarette rolling paper size designations are generic.
Federal Circuit reverses cancellation of U.S. trademark registrations
The Second Circuit affirms summary judgment for our client.
What They Say
"Mary L. Kevlin is a renowned intellectual property lawyer owing to her open-ended skill in handling the full remit of trademark matters, as well as serving as a leading academic in the field."
2025 Lexology Index"Highly experienced prosecution team – focused on obtaining rights cautiously while clearly presenting what is obtainable and what is not."
2025 Legal 500"They work seamlessly as a team, manage projects with efficiency, and cultivate enduring relationships with their clients, who recognize and value their responsiveness, commitment, expertise, and professionalism."
2025 Legal 500“‘Simply the best’, Cowan Liebowitz & Latman’s trademark practice is defined by collaboration, depth, and agility. Clients turn to the team not just for its legal acumen, but for its unique culture of shared expertise which ensures robust IP support. When litigation is necessary, clients have access to some of the brightest minds in the field.”
2026 WTR 1000 – The World’s Leading Trademark Professionals"Kieran G. Doyle is a well-known name in the intellectual property market who regularly advises leading brands on the full remit of trademark issues, and draws the praise of peers and clients for his 'high standard of service'."
2025 Lexology Index
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.









